Chris@16: #ifndef INDIRECT_REFERENCE_DWA200415_HPP
Chris@16: # define INDIRECT_REFERENCE_DWA200415_HPP
Chris@16: 
Chris@16: //
Chris@16: // Copyright David Abrahams 2004. Use, modification and distribution is
Chris@16: // subject to the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // typename indirect_reference<P>::type provides the type of *p.
Chris@16: //
Chris@16: // http://www.boost.org/libs/iterator/doc/pointee.html
Chris@16: //
Chris@16: 
Chris@16: # include <boost/detail/is_incrementable.hpp>
Chris@16: # include <boost/iterator/iterator_traits.hpp>
Chris@16: # include <boost/type_traits/remove_cv.hpp>
Chris@16: # include <boost/mpl/eval_if.hpp>
Chris@16: # include <boost/pointee.hpp>
Chris@16: 
Chris@101: namespace boost {
Chris@16: 
Chris@16: namespace detail
Chris@16: {
Chris@16:   template <class P>
Chris@16:   struct smart_ptr_reference
Chris@16:   {
Chris@16:       typedef typename boost::pointee<P>::type& type;
Chris@16:   };
Chris@16: }
Chris@16: 
Chris@16: template <class P>
Chris@16: struct indirect_reference
Chris@16:   : mpl::eval_if<
Chris@16:         detail::is_incrementable<P>
Chris@16:       , iterator_reference<P>
Chris@16:       , detail::smart_ptr_reference<P>
Chris@16:     >
Chris@16: {
Chris@16: };
Chris@101: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // INDIRECT_REFERENCE_DWA200415_HPP